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Two family brick
137 MASPETH AVENUE
BROOKLYN · East Williamsburg · BIN 3070094
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1955Year Built
2Stories
B1Building Class
R6BZoning
1,552 sfGross Floor Area
2Units
Two family brick · 1,237 sf lot · 1.25 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Roof1p · 1 filing · 9 docs
Cellar1p · 1 filing · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/15/2023$1.1M—Private party → Private party$735/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
SQUARE ARCH, LLC106/27/2025
IAQ SYSTEMS INC109/18/2023
CHAD SERMAN109/15/2023
LINEARSCAPE ARCHITECTURE, PLLC107/31/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LINEARSCAPE ARCHITECTURE, PLLC403/21/2026
KAMTECH RESTORATION CORP203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HENG YIP CONSTRUCTION CORGeneral Contractor403/21/2026
BERGER QUALITY ELEC'L CONElectrical103/22/2026
KAMTECH RESTORATION CORPGeneral Contractor107/08/2026
FLYTIGER P & H LTDPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802106/27/2025
SERMAN ENGINEERING4685209/15/2023
Building Lifecycle
All (48)Filed (4)Permit Issued (4)Signed Off (4)Inspection (3)Objection (16)Special Inspection (17)
11/05/2025
Signed off — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01248432-I1
07/31/2025
Permit issued — Solar
B01248432-I1-SL
07/14/2025
Objection resolved — Addressed
07/09/2025
Objection raised — Scope
06/27/2025
Filed — Alteration
ROOFTOP SOLAR INSTALLATION. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
B01248432-I1
06/27/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Kaijin Liang
06/27/2025
Special inspection requirement — Air barrier - visual inspection
Kaijin Liang
06/27/2025
Special inspection requirement — Final
Kaijin Liang
06/27/2025
Special inspection requirement — Energy Code Compliance Inspections
Kaijin Liang
06/27/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Kaijin Liang
06/14/2024
Signed off — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-S2
06/12/2024
Signed off — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-S1
06/06/2024
Signed off — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-I1
02/15/2024
Permit issued — Structural
B00911673-S1-ST
01/02/2024
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
10/20/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
10/17/2023
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
09/28/2023
Permit issued — Plumbing
B00911673-S2-PL
09/25/2023
Objection raised — Admin
09/25/2023
Objection resolved — Addressed
09/25/2023
Objection raised — Other
09/25/2023
Objection resolved — Addressed
09/18/2023
Filed — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-S2
09/15/2023
Filed — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-S1
09/15/2023
Permit issued — General Construction
B00911673-I1-GC
09/01/2023
Special inspection requirement — Structural Steel - Details
CHAD SERMAN
09/01/2023
Special inspection requirement — Structural Steel - Welding
CHAD SERMAN
09/01/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
CHAD SERMAN
09/01/2023
Special inspection requirement — Final
CHAD SERMAN
08/25/2023
Objection resolved — Addressed
08/25/2023
Objection resolved — Addressed
08/23/2023
Objection resolved — Addressed
08/16/2023
Objection raised — Inspections
08/16/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
CHAD SERMAN
08/10/2023
Objection resolved — Addressed
08/09/2023
Objection resolved — Addressed
08/08/2023
Objection raised — Zoning
08/08/2023
Objection raised — Other
08/08/2023
Objection raised — Zoning
08/08/2023
Objection raised — Structural
07/31/2023
Filed — Alteration
INTERIOR PARTITION MODIFICATION, ENLARGED DOOR AND WINDOW OPENINGS AND NEW WINDOW OPENINGS ON THE FRONT FACADE AND REAR YARD STAIR OF A SINGLE-FAMILY HOUSE. THERE IS NO CHANGE IN USE, OCCUPANCY,OR MEANS OF EGRESS.
B00911673-I1
07/30/2023
Special inspection requirement — Energy Code Compliance Inspections
TING CHIN
07/30/2023
Special inspection requirement — Final
TING CHIN
07/30/2023
Special inspection requirement — Air barrier - visual inspection
TING CHIN
07/30/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
TING CHIN
07/30/2023
Special inspection requirement — Interior lighting power
TING CHIN
07/30/2023
Special inspection requirement — Fenestration air leakage
TING CHIN
07/30/2023
Special inspection requirement — Fenestration areas
TING CHIN
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offKAMTECH RESTORATION CORP07/31/2025
DOB NOWStructuralSigned-offHENG YIP CONSTRUCTION COR02/15/2024
DOB NOWPlumbingSigned-offFLYTIGER P & H LTD09/28/2023
DOB NOWGeneral ConstructionSigned-offHENG YIP CONSTRUCTION COR09/15/2023
2 projects · most recent 06/10/2025
General Wiring
FiledStatusContractorScope
06/10/2025CompleteBERGER QUALITY ELEC'L CON—
09/27/2023CompleteHI-RITE ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
01/02/2024Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
10/20/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/17/2023Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 17
DateRequirementInspectorRole
06/27/2025Fire-Resistant Penetrations and JointsKaijin Liangspecial
06/27/2025Air barrier - visual inspectionKaijin Liangenergy_progress
06/27/2025FinalKaijin Liangprogress
06/27/2025Energy Code Compliance InspectionsKaijin Liangprogress
06/27/2025Structural Stability – Alterations of existing buildingsKaijin Liangspecial
09/01/2023Structural Steel - DetailsCHAD SERMANspecial
09/01/2023Structural Steel - WeldingCHAD SERMANspecial
09/01/2023Structural Stability – Alterations of existing buildingsCHAD SERMANspecial
09/01/2023FinalCHAD SERMANprogress
08/16/2023Structural Stability – Alterations of existing buildingsCHAD SERMANspecial
07/30/2023Energy Code Compliance InspectionsTING CHINprogress
07/30/2023FinalTING CHINprogress
07/30/2023Air barrier - visual inspectionTING CHINenergy_progress
07/30/2023Fenestration and door U-factor and product ratingsTING CHINenergy_progress
07/30/2023Interior lighting powerTING CHINenergy_progress
07/30/2023Fenestration air leakageTING CHINenergy_progress
07/30/2023Fenestration areasTING CHINenergy_progress
▾Documents — 30 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/27/2026B00911673-I1Request digital key ↗
08/27/2026B00911673-S2Request digital key ↗
08/27/2026B00911673-S1Request digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications21
▸DOB NOWProgress Inspector Seal & Signature11
10/01/2026B01248432-I1Open ↗
10/01/2026B01248432-I1Open ↗
10/01/2026B01248432-I1Open ↗
Showing 3 of 11 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
10/01/2026B01248432-I1Open ↗
10/01/2026B01248432-I1Open ↗
08/27/2026B00911673-S1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/27/2026B00911673-I1Open ↗
08/27/2026B00911673-S2Open ↗
08/27/2026B00911673-S1Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/27/2026B00911673-S2Open ↗
08/27/2026B00911673-S1Open ↗
08/27/2026B00911673-I1Open ↗
Showing 3 of 4 on file for this type
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01248432-I1Open ↗